Unreal Engine Issues

Pins inside a function will be orphaned if user changes pin type

When the user changes the pin type of a linked pin, the pin inside the function will be orphaned. This will result in an ERROR DUPLICATE pin on the function instance. ...

Crash when modifying BP custom event after deleting BP function

If a BP function contains a Create Event node, deleting the function will cause the editor to crash when modifying any custom event of that BP. Regression: No - same behavior occurs in 4.14.3 Binar ...

Actor Hidden in Game does not take lighting into account any longer

Using indirect lighting from bounce cards that are set to Actor Hidden in Game no longer generate indirect lighting for the scene. This is a regression of 4.11.2 where this worked but is no longer ...

Stationary Light Overlap View Mode Broken By Forward Renderer

The stationary light overlap view mode doesn't work properly in the forward renderer. Everything gets a red highlight making it impossible to see overlap. Images attached. ...

Spot Light USD Export Produces Incorrect Intensity Values Based on Cone Angle and Source Radius

UPDATE: Should be fixed as of CL#52537078 (fb7af1) USD: Bake all frames of exposure animation tracks. When exporting Unreal Engine spot lights from a level to USD, lights with identical EV intensit ...

Unconverted BP function library does not assign output parameters after function call in a nativized build.

Stub functions generated for unconverted assets as dependencies of nativized assets do not properly handle output parameters (the result is not assigned after the ProcessEvent() call). Suggested fi ...

Lights placed in a Layer that are hidden will not be visible in PIE

Placing any lights in a Layer and marking as hidden will not render when PIE. Layers should only be editor only, even if marked as hidden. Also test in MAIN CL-2685425 where this is showing the sa ...

Copying/pasting a Blueprint static function triggers an ensure and a new parameter in function signature

Crash when adding Rectangle Lights to a game with multiple players while Raytracing is enabled

A user reported this issue to us through Salesforce. They initially said it crashed with both Spot Lights and Rectangle Lights, but I was only able to repro with Rectangle lights. Additionally, I di ...

Latent Blueprint Functions has incorrect linkage when the FLatentActionInfo is the first argument

When you create a latent function in C++ with the FLatentActionInfo first it will incorrectly set up the linkage for the latent info such that it gets linked to the incoming execution pin of the fun ...